{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x47858daece70849653290639d095ede995148d69f9c8d329308e207cb871a674",
    "signature": "0x35948f11b42f25469179b90ae089072010447d315fec2a7cd42a1520f445356e2648e57823c2e8480cc7a833aa9f2e846d67ad0af4e537ae0be530e24d61a4cb1c",
    "signer": "0x01B77D3DEE1604ED5Cf53774D367c4Ddbb0E7191",
    "userId": "13981074"
  }
}